• Principal Linux Systems…

    Northrop Grumman (Aurora, CO)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... be limited to the following: + Perform as primary Linux Systems Administrator for a... environments + Candidates must have a current DOD ** Top ** ** Secret /SCI** levelsecurity clearance, to include a… more
    Northrop Grumman (06/25/25)
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  • Senior Linux Systems…

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd **Original… more
    Leidos (07/16/25)
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  • Principal Linux System…

    RTX Corporation (Aurora, CO)
    …eligible for a security clearance​ **Security Clearance:** TS /SCI with Polygraph **Principal Linux System Administrator - Aurora, CO, must have an active ... Raytheon program in a classified environment as a **Principal Linux System Administrator .** + Responsibilities...GSEC, SSCP, CySA+, CND. + Experience Red Hat Enterprise Linux based systems + Experience with DT… more
    RTX Corporation (07/08/25)
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  • Senior Systems Administrator…

    GovCIO (Denver, CO)
    **Overview** GovCIO is hiring for a Senior Systems Administrator ( Linux and Windows) to provide on-going support for the administration of the core system ... willing to work nights, have an active Security+ certification, and an active Top Secret clearance. **Responsibilities** In this role you will: Provide support… more
    GovCIO (07/09/25)
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  • Systems Administrator

    TEKsystems (Aurora, CO)
    …will include, but not be limited to, the following: * Perform as a Linux System Administrator on large government contracts. * Perform administration ... linux , stig, SSO, VMware, esxi, Active directory, System administrator , Windows, Server administrator ...* Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    TEKsystems (07/13/25)
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  • Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …will include, but not be limited to, the following: * Perform as a Linux System Administrator on large government contracts. * Perform administration ... your career today. #definingpossible Northrop Grumman is seeking a Systems Administrator to join our team based...lieu of a degree. * Candidate must have active/current Top Secret /SCI clearance with adjudicated Polygraph at… more
    Northrop Grumman (06/05/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …responsibilities will include, but not be limited to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts. + ... our mission. Northrop Grumman is seeking a **Sr Principal Systems Administrator ** to join our team at...IT experience is required + **Candidate must have active/current Top Secret /SCI clearance with adjudicated Full Scope… more
    Northrop Grumman (06/12/25)
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  • Systems Administrator II

    DCCA (Aurora, CO)
    …and benefits package. Visit our website at: www.dcca.com System Administrator II ( Linux ) Candidate must have an active TS /SCI w/ Poly For over 40 years, ... Systems Administrator II Location Aurora, CO...Configures and manages UNIX and Linux operating systems and installs/loads operating system software, troubleshoots,… more
    DCCA (05/23/25)
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  • Lead, Cyber Infrastructure Systems Engineer…

    L3Harris (Colorado Springs, CO)
    …In lieu of a degree, minimum of 14 years of prior related experience. + Top Secret /SCI clearance is required. + DOD 8570.01M IAT 2 certification. Preferred ... service enhancements, application deployments and infrastructure upgrades. Sets up administrator and service accounts, maintains system documentation, tunes… more
    L3Harris (05/20/25)
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  • Systems Administrator (Level 2 or 3)

    Northrop Grumman (Aurora, CO)
    …be Security+ certified. + General system administrator /support skills in both Linux and Windows systems . + Create and maintain user and computer accounts ... Space Systems (NGSP) seeks to fill a ** System Administrator (A02)/** **Principal System ...the successful candidate will perform general System Administrator skills in Windows & Linux , with… more
    Northrop Grumman (06/25/25)
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